Patents by Inventor Craig A. Liebel

Craig A. Liebel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Audio device heat transferring
    Patent number: 7340066
    Abstract: An acoustic device having a heat producing device, such as an amplifier and a heat sink for transferring heat from the amplifier. The acoustic device has a cone having an inner surface, and a support structure defining a volume. The heat producing element and the heat sink are positioned in the volume.
    Type: Grant
    Filed: August 28, 2006
    Date of Patent: March 4, 2008
    Assignee: Bose Corporation
    Inventors: Scott H. Aronson, Damian Howard, Craig A. Liebel, Richard Warren Little, John Schussler, Lee J. Shumosic, Bradford Kyle Subat
  • Audio Device Heat Transferring
    Publication number: 20060285717
    Abstract: An acoustic device having a heat producing device, such as an amplifier and a heat sink for transferring heat from the amplifier. The acoustic device has a cone having an inner surface, and a support structure defining a volume. The heat producing element and the heat sink are positioned in the volume.
    Type: Application
    Filed: August 28, 2006
    Publication date: December 21, 2006
    Inventors: Scott Aronson, Damian Howard, Craig Liebel, Richard Little, John Schussler, Lee Shumosic, Bradford Subat
  • Audio device heat transferring
    Patent number: 7120270
    Abstract: An acoustic device having a heat producing device, such as an amplifier and a heat sink for transferring heat from the amplifier. The acoustic device has a cone having an inner surface, and a support structure defining a volume. The heat producing element and the heat sink are positioned in the volume.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: October 10, 2006
    Assignee: Bose Corporation
    Inventors: Scott H. Aronson, Damian Howard, Craig A. Liebel, Richard Warren Little, John Schussler, Lee J. Shumosic, Bradford Kyle Subat
  • Audio device heat transferring
    Publication number: 20040052397
    Abstract: An acoustic device having a heat producing device, such as an amplifier and a heat sink for transferring heat from the amplifier. The acoustic device has a cone having an inner surface, and a support structure defining a volume. The heat producing element and the heat sink are positioned in the volume.
    Type: Application
    Filed: September 18, 2002
    Publication date: March 18, 2004
    Inventors: Scott H. Aronson, Damian Howard, Craig A. Liebel, Richard Warren Little, John Schussler, Lee J. Shumosic, Bradford Kyle Subat
  • Varying loudspeaker spatial characteristics in a vehicle
    Patent number: 5046106
    Abstract: A shifting control is operative in a first region for varying the treble and midrange components of a sound signal as variously applied to the speakers of a multi-speaker system while the bass component remains unchanged, and is operative in a second region wherein all frequency components can be substantially attenuated.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: September 3, 1991
    Assignee: Bose Corporation
    Inventors: Craig Liebel, Richard McFadyen